256089736

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{77509}}^1$

素因数の和:77581

約数の個数: 32

約数和(自身を含む): 558072000

約数和(自身を除く): 301982264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 77509, 155018, 310036, 542563, 620072, 1085126, 2170252, 4340504, 4573031, 9146062, 18292124, 32011217, 36584248, 64022434, 128044868, 256089736]

約数ペア:

[(1, 256089736), (2, 128044868), (4, 64022434), (7, 36584248), (8, 32011217), (14, 18292124), (28, 9146062), (56, 4573031), (59, 4340504), (118, 2170252), (236, 1085126), (413, 620072), (472, 542563), (826, 310036), (1652, 155018), (3304, 77509)]